Material Drying
5 görüntüleme
Risk of Laxity in LCP Moisture Management
Sorun Belirtisi
【Problem Phenomenon】The drying process is omitted because of LCP's low moisture absorption, and blistering and silver streaks occasionally occur in mass production
Neden Analizi
Although LCP has low moisture absorption, pellet surfaces still adsorb environmental moisture; trace moisture at high temperature can vaporize into bubbles or cause hydrolytic degradation; low moisture absorption does not mean exemption from drying
Çözüm
Perform the drying process according to the resin supplier's specifications and monitor the dew point; use within a time limit after opening; strengthen control in humid seasons and regions, and do not exempt from inspection because of low moisture absorption; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
Low moisture absorption is an advantage of LCP, not an excuse to skip drying; trace moisture still causes blistering; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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